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Pioneer Acquisition I Corp

PACH
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002040381

No open-market purchases or sales by Pioneer Acquisition I Corp insiders were filed in the last 90 days; 67 institutions reported holding it in 13F filings for Q2 2026, worth $230.1M in total; no superinvestor holds it.

Other share classesPACHUPACHW

13F holders, Q2 2026

Institutional positions in Pioneer Acquisition I Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
67
+6 vs. Q1 2026
Shares held
22.5M
+223.6K (+1.0%) vs. Q1 2026
Total value
$230.1M
+$3.96M (+1.8%) vs. Q1 2026
New holders
7
7 more added
Sold out
1
9 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PACH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 67 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 44 institutionsQ4 2025: 59 institutionsQ1 2026: 61 institutionsQ2 2026: 67 institutions
Value heldQ2 2026: $230.1M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $174.3MQ4 2025: $218.6MQ1 2026: $226.2MQ2 2026: $230.1M
Institutions holding PACH and their total value by quarter
QuarterHoldersValue
Q2 202667$230.1M
Q1 202661$226.2M
Q4 202559$218.6M
Q3 202544$174.3M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q1 2026.

Institutions holding PACH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Westchester Capital Management, LLC1,258,612$12.9M0.65%00.0%Unchanged
D. E. Shaw & Co., Inc.1,252,350$12.8M0.01%00.0%Unchanged
Glazer Capital, LLC1,210,643$12.4M0.31%00.0%Unchanged
Magnetar Financial LLC1,000,000$10.2M0.09%00.0%Unchanged
Linden Advisors LP1,000,000$10.2M0.05%00.0%Unchanged
CNH Partners LLC956,895$9.77M0.14%+8,514+0.9%Added
Two Sigma Investments, LP797,500$8.16M0.01%00.0%Unchanged
Wolverine Asset Management LLC788,462$8.07M0.11%+85,684+12.2%Added
Wealthspring Capital LLC776,258$7.94M1.77%−65,250−7.8%Reduced
MMCAP International Inc. SPC750,000$7.67M0.65%00.0%Unchanged
Radcliffe Capital Management, L.P.629,549$6.44M0.49%+3020.0%Added
Tenor Capital Management Co., L.P.600,000$6.14M0.09%00.0%Unchanged
Karpus Management, Inc.551,988$5.65M0.16%+50,000+10.0%Added
Verition Fund Management LLC525,558$5.37M0.04%00.0%Unchanged
Picton Mahoney Asset Management500,000$5.12M0.05%00.0%Unchanged
Vivaldi Asset Management, LLC500,000$5.12M0.30%00.0%Unchanged
Alberta Investment Management Corp500,000$5.11M0.03%00.0%Unchanged
Mangrove Partners450,000$4.60M0.30%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund450,000$4.59M0.01%−200,000−30.8%Reduced
Omers Administration Corp440,000$4.49M0.03%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys400,000$4.09M0.02%00.0%Unchanged
Aristeia Capital LLC400,000$4.09M0.06%00.0%Unchanged
Polar Asset Management Partners Inc.400,000$4.09M0.07%00.0%Unchanged
Mint Tower Capital Management B.V.400,000$4.09M0.48%00.0%Unchanged
Jain Global LLC386,736$3.95M0.05%−113,243−22.6%Reduced
Shaolin Capital Management LLC377,218$3.86M0.22%−122,782−24.6%Reduced
BNP Paribas Arbitrage, SA348,493$3.56M0.00%00.0%Unchanged
Periscope Capital Inc.300,000$3.07M0.49%00.0%Unchanged
Whitebox Advisors LLC300,000$3.07M0.05%00.0%Unchanged
Millennium Management LLC287,700$2.94M0.00%+10.0%Added
Meteora Capital, LLC272,969$2.79M0.23%+272,969New
Rivernorth Capital Management, LLC249,758$2.57M0.12%00.0%Unchanged
Moore Capital Management, LP250,000$2.56M0.06%00.0%Unchanged
Ghisallo Capital Management LLC250,000$2.55M0.05%00.0%Unchanged
O'Connor Alternative Investments LLC250,000$2.55M0.19%00.0%Unchanged
Hudson Bay Capital Management LP246,000$2.51M0.01%00.0%Unchanged
CSS LLC210,988$2.16M0.10%00.0%Unchanged
Mizuho Securities USA LLC183,497$1.85M0.02%+183,497New
Context Capital Management, LLC150,000$1.53M0.03%00.0%Unchanged
TIG Advisors, LLC150,000$1.53M0.07%00.0%Unchanged
Berkley W R Corp148,726$1.52M0.07%00.0%Unchanged
Clear Street Group Inc.139,861$1.43M0.00%−9,595−6.4%Reduced
Parallax Volatility Advisers, L.P.129,909$1.33M0.05%+35,508+37.6%Added
Toronto Dominion Bank125,000$1.28M0.00%−43,875−26.0%Reduced
Sona Asset Management (US) LLC111,059$1.14M0.04%00.0%Unchanged
Lineage Point Capital LP106,805$1.09M0.22%00.0%Unchanged
Dakota Wealth Management104,100$1.06M0.02%00.0%Unchanged
DLD Asset Management, LP102,737$1.05M0.09%−25,000−19.6%Reduced
Governors Lane LP100,000$1.02M0.10%00.0%Unchanged
Heights Capital Management, Inc100,000$1.02M0.24%00.0%Unchanged
Boothbay Fund Management, LLC83,391$853.1K0.02%00.0%Unchanged
Gritstone Asset Management LLC69,324$709.2K0.68%00.0%Unchanged
Logan Stone Capital, LLC60,737$621.3K0.13%+60,737New
Timelo Investment Management Inc.60,000$613.8K0.77%00.0%Unchanged
Centiva Capital, LP50,000$510.5K0.02%00.0%Unchanged
Limestone Investment Advisors LP48,017$491.2K0.25%+48,017New
Kepos Capital LP47,100$482.0K0.66%00.0%Unchanged
PenderFund Capital Management Ltd.38,172$389.7K0.05%+22,972+151.1%Added
Stoic Point Capital Management LLC33,775$345.5K0.29%00.0%Unchanged
Abc Arbitrage SA25,000$255.8K0.03%00.0%Unchanged
HRT Financial LP24,534$250.0K0.00%+24,534New
L1 Global Manager Pty Ltd24,400$249.6K0.20%00.0%Unchanged
SRS Capital Advisors, Inc.10,500$107.4K0.00%+10,500New
Virtu Financial LLC10,203$104.0K0.00%+10,203New
Deltec Asset Management LLC10,000$102.3K0.02%00.0%Unchanged
Morgan Stanley49$5010.00%−19−27.9%Reduced
UBS Group AG7$720.00%−9,053−99.9%Reduced
FNY Investment Advisers, LLC0$00.00%−1,000−100.0%Sold out